Organized imports in SimulatorWindow.java

Merge branch 'dynamicResourceCreation' into two-stage-modeling ...

# Conflicts:
#	AlgebraicDataflowArchitectureModel/src/application/simulator/SimulatorWindow.java

Merge pull request #112 from nitta-lab/interfaces ...

確認が済んだのでマージします。

・モデルファイル中の JSON を Term ではなくて，JsonTerm として読み込めるように改良． ...

・シミュレーション機能で，リソースを任意の深さの JSON の値で初期化できるように修正．

Just sorted methods in Editor.java

Cleaned up some codes in OpenAction.java

・モデルファイル読み込み時に，init{} 内で model への ResourceHierarchy の登録をしていなかった． ...

・シミュレーション時に，子孫を持つルートリソースの初期化ができていなかった．

モデルファイルで，init {} の直後に native キーワードが来る場合を想定していなかった．

still buggy

Fixed the bug that constructed graph is collapsed after selecting PushPullSelectionStage again

Just cleaned up some codes.

Fixed the bug that mxGraph is not showing after open a model file.

Remove layer logics

Cleaned up codes in Editor.java

Restored whole layer logics

Started restoring layer logics

シミュレータ機能で，ウィジェットの位置やサイズを指定できるようにした．

Finished migration but still buggy

Removed Layer logic in Stage.java

Make the window center on screen on start up

Organized imports, fixed typo and removed unnecessary comment in NewResourceAction.java

Deleted DataTransferModelingCellEditor.java

Cleaned up some codes in NavigationWindow.java

Now navigation window is working.

Added menu item to show navigation window.

Fixed that forgot to register navigation window to stage change listener

Added some fields and methods related to stage system.

Cleaned up some codes again

Cleaned up some codes

Added navigation window skeleton